July 28th, 1984

Electrolytic Capacitors
Are Aluminum Electrolytic Capacitors interchangeable with Film Capacitors?

For example, I need a 1ųF film capacitor but I dont have one can I use a 1ųF aluminum electrolytic capacitor in its place?

I am building a guitar pedal if that matters.

Thank you

Usually NO for some circuit that require non-polarity capacitor. If it is a coupling capacitor and you know how to determine the correct polarity in the circuit, and then matching the polarity of electrolytic capacitor and voltage rating. Then it can be replaced.

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